const std = @import("std");
const Build = std.Build;
const LazyPath = Build.LazyPath;

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    buildSTBModule(b, target, optimize, "stb_image", b.path("src/stb_image.zig"), b.path("src/stb_image_impl.c"));
    buildSTBModule(b, target, optimize, "stb_vorbis", b.path("src/stb_vorbis.zig"), b.path("src/stb_vorbis_impl.c"));
    buildSTBModule(b, target, optimize, "stb_rect_pack", b.path("src/stb_rect_pack.zig"), b.path("src/stb_rect_pack_impl.c"));
    buildSTBModule(b, target, optimize, "stb_truetype", b.path("src/stb_truetype.zig"), b.path("src/stb_truetype_impl.c"));
}

fn buildSTBModule(
    b: *std.Build,
    target: Build.ResolvedTarget,
    optimize: std.builtin.OptimizeMode,
    name: []const u8,
    zig_file: LazyPath,
    impl_file: LazyPath
) void {
    const stb_dependency = b.dependency("stb", .{});

    const mod = b.addModule(name, .{
        .target = target,
        .optimize = optimize,
        .root_source_file = zig_file,
        .link_libc = true,
    });

    mod.addIncludePath(stb_dependency.path("."));
    mod.addCSourceFile(.{
        .file = impl_file,
        .flags = &.{}
    });
}